/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

namespace org.apache.commons.compress.compressors.bzip2 {

    /**
     * Random numbers for both the compress and decompress BZip2 classes.
     */
    internal sealed class Rand {

        private static readonly int[] RNUMS = {
            619, 720, 127, 481, 931, 816, 813, 233, 566, 247,
            985, 724, 205, 454, 863, 491, 741, 242, 949, 214,
            733, 859, 335, 708, 621, 574,  73, 654, 730, 472,
            419, 436, 278, 496, 867, 210, 399, 680, 480,  51,
            878, 465, 811, 169, 869, 675, 611, 697, 867, 561,
            862, 687, 507, 283, 482, 129, 807, 591, 733, 623,
            150, 238,  59, 379, 684, 877, 625, 169, 643, 105,
            170, 607, 520, 932, 727, 476, 693, 425, 174, 647,
             73, 122, 335, 530, 442, 853, 695, 249, 445, 515,
            909, 545, 703, 919, 874, 474, 882, 500, 594, 612,
            641, 801, 220, 162, 819, 984, 589, 513, 495, 799,
            161, 604, 958, 533, 221, 400, 386, 867, 600, 782,
            382, 596, 414, 171, 516, 375, 682, 485, 911, 276,
             98, 553, 163, 354, 666, 933, 424, 341, 533, 870,
            227, 730, 475, 186, 263, 647, 537, 686, 600, 224,
            469,  68, 770, 919, 190, 373, 294, 822, 808, 206,
            184, 943, 795, 384, 383, 461, 404, 758, 839, 887,
            715,  67, 618, 276, 204, 918, 873, 777, 604, 560,
            951, 160, 578, 722,  79, 804,  96, 409, 713, 940,
            652, 934, 970, 447, 318, 353, 859, 672, 112, 785,
            645, 863, 803, 350, 139,  93, 354,  99, 820, 908,
            609, 772, 154, 274, 580, 184,  79, 626, 630, 742,
            653, 282, 762, 623, 680,  81, 927, 626, 789, 125,
            411, 521, 938, 300, 821,  78, 343, 175, 128, 250,
            170, 774, 972, 275, 999, 639, 495,  78, 352, 126,
            857, 956, 358, 619, 580, 124, 737, 594, 701, 612,
            669, 112, 134, 694, 363, 992, 809, 743, 168, 974,
            944, 375, 748,  52, 600, 747, 642, 182, 862,  81,
            344, 805, 988, 739, 511, 655, 814, 334, 249, 515,
            897, 955, 664, 981, 649, 113, 974, 459, 893, 228,
            433, 837, 553, 268, 926, 240, 102, 654, 459, 51,
            686, 754, 806, 760, 493, 403, 415, 394, 687, 700,
            946, 670, 656, 610, 738, 392, 760, 799, 887, 653,
            978, 321, 576, 617, 626, 502, 894, 679, 243, 440,
            680, 879, 194, 572, 640, 724, 926,  56, 204, 700,
            707, 151, 457, 449, 797, 195, 791, 558, 945, 679,
            297,  59,  87, 824, 713, 663, 412, 693, 342, 606,
            134, 108, 571, 364, 631, 212, 174, 643, 304, 329,
            343,  97, 430, 751, 497, 314, 983, 374, 822, 928,
            140, 206,  73, 263, 980, 736, 876, 478, 430, 305,
            170, 514, 364, 692, 829,  82, 855, 953, 676, 246,
            369, 970, 294, 750, 807, 827, 150, 790, 288, 923,
            804, 378, 215, 828, 592, 281, 565, 555, 710,  82,
            896, 831, 547, 261, 524, 462, 293, 465, 502,  56,
            661, 821, 976, 991, 658, 869, 905, 758, 745, 193,
            768, 550, 608, 933, 378, 286, 215, 979, 792, 961,
             61, 688, 793, 644, 986, 403, 106, 366, 905, 644,
            372, 567, 466, 434, 645, 210, 389, 550, 919, 135,
            780, 773, 635, 389, 707, 100, 626, 958, 165, 504,
            920, 176, 193, 713, 857, 265, 203,  50, 668, 108,
            645, 990, 626, 197, 510, 357, 358, 850, 858, 364,
            936, 638
        };

        /**
         * Return the random number at a specific index.
         * 
         * @param i the index
         * @return the random number
         */
        internal static int rNums(int i){
            return RNUMS[i];
        }
    }
}